BPM to MS Calculator — Convert Tempo to Milliseconds

Enter any tempo from 40 to 240 BPM and instantly get the matching note lengths in milliseconds — for delay effects, metronome practice, and tight rhythm work.

Formula: milliseconds = 60,000 ÷ BPM × beats. At 120 BPM, one quarter note lasts 500.00 ms.

Note valueStraightDotted (×1.5)Triplet (×⅔)
Whole note2000.00 ms3000.00 ms1333.33 ms
Half note1000.00 ms1500.00 ms666.67 ms
Quarter note500.00 ms750.00 ms333.33 ms
Eighth note250.00 ms375.00 ms166.67 ms
Sixteenth note125.00 ms187.50 ms83.33 ms

A440 Guide · Ear Training · Metronome Guide · Free Piano